Conference Papers

Permanent URI for this collectionhttps://idr.nitk.ac.in/handle/123456789/28506

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Author: search.filters.author.Kumari, D.

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    Experimental analysis of CUBIC TCP in error prone MANETs
    (IEEE Computer Society help@computer.org, 2014) Kumari, D.; Tahiliani, M.P.; Shenoy, U.K.K.
    CUBIC TCP, a variant of the traditional TCP, is the default congestion control algorithm deployed in Linux kernels above 2.6 version. CUBIC is mainly designed for high speed, long distance wired networks and several studies have exhibited that it indeed, enriches the performance of such networks. Recently, hand-held devices such as smart phones have grown very popular and there has been a lot of interest in the research community to design efficient operating systems for such devices. Android is one of the latest open source mobile operating system and it is based on a reduced version of the Linux kernel. Since it is Linux based, CUBIC TCP remains the default TCP in Android also. These hand-held devices, however, are connected to low speed wireless networks and consequently, CUBIC TCP deployment in Android ends up being a mismatch. The main goal of this work is to analyze the behavior of CUBIC TCP in low speed error prone wireless networks and bring out the challenges and issues related to the same. © 2014 IEEE.
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    Empirical Evaluation of Traffic Shaping Algorithms for Time Sensitive Networking
    (Institute of Electrical and Electronics Engineers Inc., 2022) Naik, K.; Kumari, D.; Tahiliani, M.P.
    Standard Ethernet networks cannot provide solutions to handle latency sensitive applications efficiently. The packet scheduling algorithms like First In First Out (FIFO), Class Based Queueing (CBQ), and others do not provide efficient solutions to Quality of Service (QoS) parameters like end-toend delay, packet loss, and jitter. Time Sensitive Networking (TSN) can be used as a solution to provide QoS to time sensitive applications. TSN has emerged as a future of realtime communication. The main advantage of TSN is that it enables determinism by supporting time critical traffic while the best effort traffic is also present in the network. This paper explores two of the most popular and widespread traffic shaping mechanisms in TSN: Time Aware Shaper (TAS) and Credit Based Shaper (CBS). IEEE 802.1Qbv is used for delivering time assurance using TAS. CBS is a key traffic shaping algorithm to provide bandwidth assurance to the time critical and real time traffic, such as the audio traffic. This paper evaluates TAS and CBS using TSN enabled Network Interface Cards (NIC) with time synchronization, real time kernel and real traffic, which includes time sensitive traffic and elastic background traffic. © 2022 IEEE.